Index: head/x11-toolkits/pango/Makefile
===================================================================
--- head/x11-toolkits/pango/Makefile	(revision 486757)
+++ head/x11-toolkits/pango/Makefile	(revision 486758)
@@ -1,55 +1,55 @@
 # Created by: Maxim Sobolev <sobomax@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	pango
 PORTVERSION=	1.42.4
 CATEGORIES=	x11-toolkits
 MASTER_SITES=	GNOME
 DIST_SUBDIR=	gnome2
 
 MAINTAINER=	gnome@FreeBSD.org
 COMMENT=	Open-source framework for the layout and rendering of i18n text
 
 LICENSE=	LGPL20
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	help2man:misc/help2man
 LIB_DEPENDS=	libfreetype.so:print/freetype2 \
 		libharfbuzz.so:print/harfbuzz \
 		libfontconfig.so:x11-fonts/fontconfig \
 		libfribidi.so:converters/fribidi
 RUN_DEPENDS=	xorg-fonts-truetype>0:x11-fonts/xorg-fonts-truetype \
 		${FONTENCOD}:x11-fonts/encodings
 
 PORTSCOUT=	limitw:1,even
 
-USES=		gettext gnome localbase meson pkgconfig tar:xz
+USES=		compiler:c11 gettext gnome localbase meson pkgconfig tar:xz
 USE_LDCONFIG=	yes
 USE_GNOME=	cairo glib20 introspection:build
 
 VERSION=	1.8.0
 LIBVERSION=	0.4200.3
 PLIST_SUB+=     VERSION=${VERSION} LIBVERSION=${LIBVERSION}
 
 FONTSCALE=	${LOCALBASE}/share/fonts/TTF/luximb.ttf
 FONTENCOD=	${LOCALBASE}/share/fonts/encodings/encodings.dir
 
 OPTIONS_SUB=	yes
 OPTIONS_DEFINE=	X11 GTKDOC
 OPTIONS_DEFAULT=X11
 
 GTKDOC_DESC=		Build and install gtk-doc generated documentation
 GTKDOC_MESON_TRUE=	enable_docs
 GTKDOC_BUILD_DEPENDS=	gtk-doc>=0:textproc/gtk-doc
 
 X11_MESON_TRUE=	xft
 X11_USE=	XORG=x11,xft,xrender
 
 pre-configure:
 # .if !exists() evaluates too early before cairo has a chance to be installed
 	@if ! pkg-config --exists cairo-gobject; then \
 		${ECHO_MSG} "${PKGNAME}: Needs cairo with GLIB (GObject) support enabled."; \
 		${FALSE}; \
 	fi
 
 .include <bsd.port.mk>